Buffer overflow in DENX U-Boot

1) Buffer overflow

EUVDB-ID: #VU35919

Risk: High

CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-11059

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.

Das U-Boot 2016.11-rc1 through 2019.04 mishandles the ext4 64-bit extension, resulting in a buffer overflow.

Mitigation

Install update from vendor's website.

Vulnerable software versions

U-Boot: 2016.11

External links

http://git.denx.de/?p=u-boot.git;a=commit;h=febbc583319b567fe3d83e521cc2ace9be8d1501
http://github.com/u-boot/u-boot/commits/master

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.